noun, noun or participle which takes 'suru', transitive verb
manual calculation; calculation by hand
Refers to performing arithmetic or mathematical operations without a calculator or computer, often contrasted with 電卓計算 or コンピューター計算.
この問題は手計算で解けます。
You can solve this problem by hand.
手計算の結果を確認してください。
Please check the result of the manual calculation.